Bohrer, Alice, and Douglas da Silva Tinti. “Analysis of the Difficulties of Youth and Adult Education Students When Doing Tasks Using GeoGebra on the Smartphone”. Revista do Instituto GeoGebra Internacional de São Paulo 10, no. 2 (December 27, 2021): 073–088. Accessed September 18, 2024. https://revistas.pucsp.br/index.php/IGISP/article/view/55546.